Home / 6,201.28-9,301.80-1,521.20

Finding the Fourth Proportional to 6,201.28, 9,301.80 and 1,521.20

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Solution

The fourth proportional to 6,201.28, 9,301.80 and 1,521.20 is: 2,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.28 : 9,301.80 = 1,521.20 : x
  2. Step 2: Convert to fraction form
    6,201.28/9,301.80 = 1,521.20/x
  3. Step 3: Cross multiply
    6,201.28x = 9,301.80 × 1,521.20
  4. Step 4: Simplify right side
    6,201.28x = 14,149,898.16
  5. Step 5: Solve for x
    x = 14,149,898.16/6,201.28
  6. Step 6: Final answer
    x = 2,281.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.